flexural fatigue 中文意思是什麼

flexural fatigue 解釋
撓曲疲勞
  • flexural : 抗彎的
  • fatigue : n 1 疲乏，勞累；勞苦；累活。2 【機械工程】（金屬屢經打擊等后的）疲勞。3 【醫學】（組織、器官等對...
  1. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  2. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  3. Experimental investigation on flexural fatigue behavior of plain weave glassfiber reinforced laminates

    玻璃纖維織物復合材料彎曲疲勞行為的試驗研究
  4. Lastly, with the fatigue equation, the paper establishes the fatigue stress coefficient which is used in the load stress calculation for lean concrete as undersurface of cement concrete pavement, and the structure coefficient of flexural tensile strength which is used in the flexural stress check for lean concrete as base of asphalt pavement

    利用得出的疲勞方程，建立貧混凝土作為水泥混凝土路面下面層荷載應力計算的疲勞應力系數，以及作為瀝青路面基層時，進行層底彎拉應力驗算的彎拉強度結構系數。
  5. As the study was performed successfully in the previous stage concerning the fold strength, the flexural fatigue behavior was to be examined for this concrete

    本研究的前期成果已圓滿結束，本文主要是針對這種混凝土的彎曲疲勞性能進行研究。
  6. The concrete flexural fatigue property by adding polypropylene fiber

    聚丙烯纖維混凝土彎曲疲勞性能
  7. 4, the flexural fatigue behavior of concrete is improved effectively though mixed steel fibers and polypropylene fibers. 5, flexural fatigue mechanism was analyzed. the improving and damaging mechanism were studied

    5 、對層布式混雜纖維混凝土的抗折疲勞機理進行了分析，初步探討了混雜纖維混凝土的纖維增強機理及破壞機理。
  8. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
  9. Tests relating to pavements. determination of fatigue resistance on material bound with hydraulic binders. part 1 : flexural fatigue test with constant stress

    路面試驗.水硬性粘結劑材料疲勞性能測定.第1部分:恆定應力撓性疲勞試驗
  10. 4. specimens ’ fatigue flexural rigidity reduces gradually while cycle time increasing

    4 、隨荷載循環次數的增加，試件的剛度逐漸減小。
  11. The essay researched the compressive strength, bending strength, impact resistance and abrasion resistance of high strength polypropylene fibermesh concrete the mechanism of enhancing the properties of high strengh poloypropylence fibemesh road concrete composite was discussed and analyzed the regression on tensile strengh with portland cement mixed with fiber was derived using experiment the tensile strength of fiber soil stablization with porland cement was increased with dosage and length of fiber while the former was more effective than the latter test and analysis results indicate that polypropylene fiber can not only reinforce the strength of concrete, but also obviously promote the flexural fatigue life by the great stress the application of polypropylence fiber reinforced concrete in pavement construcion are also introduced

    文章研究了不同摻量有機纖維混凝土的抗壓、抗折強度、抗沖及性能、疲勞性能及耐磨性等各種路用性能，綜合論述了有機纖維對水泥混凝土路用性能的影響。通過試驗闡述了纖維水泥混凝土各種路用性能與纖維摻量、長度間的關系。分析表明纖維水泥混凝土隨著纖維摻量和長度增加而增加，且纖維摻量對纖維混凝土抗拉強度的影響比纖維長度的影響更大。
  12. The results show that, for flexural - tensile fatigue test and shear fatigue test, the two kinds of structure of common asphalt concrete with strata stress absorbed layer and glass fiber grating had good ability to resist reflection cracking, while the effect of paving asphalt concrete directly on cement concrete slab was worse

    結果表明，對于彎拉型疲勞試驗和剪切型疲勞試驗，普通瀝青混凝土下面鋪設strata應力吸收層、玻璃纖維格柵2種結構都具有良好的抗反射裂縫的能力，而在水泥混凝土面板上直接加鋪瀝青混凝土類結構的效果最差。
  13. Based on the fatigue test for flexural performance of reinforced concrete beam strengthened with aramid fiber reinforced plastic ( afrp ), the effect of fiber layers on the fatigue test performance of the strengthened beam was analyzed according to the strain cycling curve of steel and the stiffness reduction regularity of the beams

    摘要通過芳綸纖維加固鋼筋混凝土梁的疲勞試驗，得到了鋼筋的應變滯回曲線和加固構件的抗彎剛度隨循環次數衰減的規律，探討了芳綸纖維布層數對加固構件疲勞性能的影響。
  14. Synthetic maro - fiber is a new type reinforcement material that appeared in the last of 20th century. when compared to steel fiber and synthetic micro - fiber, the synthetic macro - fiber offers a large number of advantages : ( 1 ) light ; ( 2 ) evenly distributed ; ( 3 ) erosion resistance ; ( 4 ) obviously improves the impact resistance, flexural toughness, fatigue and seismic properties ; ( 5 ) resistance for early crack ; ( 6 ) prominent advantage in shotcrete

    粗合成纖維興起於20世紀末，它是一種新型的增強增韌材料，相對于鋼纖維、細合成纖維，它具有明顯的競爭優勢: （ 1 ）質輕; （ 2 ）無腐蝕; （ 3 ）易於均勻分散; （ 4 ）顯著提高混凝土的韌性、抗沖擊、抗疲勞、抗震防爆性能; （ 5 ）可以提高塑性混凝土的早期抗裂性能; （ 6 ）在噴射混凝土中具有顯著的優勢。
  15. Testing method of flexural fatigue of rigid plastics by plane bending

    硬質塑料板平面彎曲疲勞的測試方法
  16. By far the primary methods to improve the quality of cement concrete is to vary the ratio of differete conpound, but of effection is not evidently the tensile strength and toughness of soil stabilization with portland cement mixed fiber obtained is higher than those of the soil stabilization with portland cenment. adding polypropylene to cement concrete can increase the conrete pavement performance, improve the flexural fatigue property

    目前，提高水泥路面使用品質的途徑之一就是通過改善水泥混凝土的配合比來提高水泥混凝土的各種路用性能，但是其實際使用效果並不是很顯著。採用在水泥混凝土中摻加纖維的方法可以獲得比普通水泥混凝土抗拉強度和韌性更高的纖維混凝土。從而大幅度的提高混凝土的彎曲疲勞等路用性能。
  17. Test method for flexural fatigue of plastics by constant - amplitude - of - force

    採用等幅強振動方法測定塑料撓性疲勞強度的方法
  18. 3, the flexural fatigue equation was contrasted between lsfrc and lhfrc in the same quantity of steel fibers. the influence extent to flexural fatigue behavior of hybrid - fibers was studied

    3 、比較了相同鋼纖維摻量的層布式鋼纖維混凝土與層布式混雜纖維混凝土的抗折疲勞方程，研究了混雜纖維對混凝土疲勞性能的影響程度。
  19. By analyzing the indoor flexural fatigue tests of small beams, the paper concludes that the fatigue life of lean concrete follows the two - parameter weibull distribution, and establishes two types of fatigue equation under different stress level and equivalent stress level

    通過分析室內小梁彎拉疲勞試驗結果，得出貧混凝土的疲勞壽命服從雙參數威布爾分佈，據此建立了不同應力水平和等效應力水平下兩種形式的疲勞方程。
  20. This type of new composite material pavement well utilizes the different mechanical behavior of steel fibers and polypropylene fibers. lhfrc has outstanding comprehensive mechanical behavior and cuts the cost. the flexural fatigue behavior of lhfrc was to be examined in this text

    這種復合材料路面型式充分地利用了鋼纖維與聚丙烯纖維的不同力學性能互補的特性，使得層布式混雜纖維混凝土具有了優異的綜合力學性能及良好的經濟效益。
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